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All results from a given calculation for C4H10O2 (Ethane, 1,2-dimethoxy-)

using model chemistry: BLYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at BLYP/6-31G**
 hartrees
Energy at 0K-308.734794
Energy at 298.15K-308.746235
Nuclear repulsion energy249.839011
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at BLYP/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3048 3024 0.00      
2 Ag 2901 2878 0.00      
3 Ag 2886 2864 0.00      
4 Ag 1505 1494 0.00      
5 Ag 1479 1467 0.00      
6 Ag 1451 1440 0.00      
7 Ag 1406 1395 0.00      
8 Ag 1199 1190 0.00      
9 Ag 1101 1092 0.00      
10 Ag 1044 1036 0.00      
11 Ag 968 960 0.00      
12 Ag 382 379 0.00      
13 Ag 321 319 0.00      
14 Au 2938 2916 62.87      
15 Au 2934 2911 219.68      
16 Au 1455 1444 7.69      
17 Au 1199 1190 10.30      
18 Au 1143 1135 1.68      
19 Au 822 816 0.27      
20 Au 236 234 7.07      
21 Au 93 92 7.45      
22 Au 67 67 2.27      
23 Bg 2934 2912 0.00      
24 Bg 2912 2889 0.00      
25 Bg 1455 1444 0.00      
26 Bg 1259 1249 0.00      
27 Bg 1164 1155 0.00      
28 Bg 1123 1114 0.00      
29 Bg 223 221 0.00      
30 Bg 120 119 0.00      
31 Bu 3047 3024 69.65      
32 Bu 2903 2880 160.94      
33 Bu 2888 2866 87.50      
34 Bu 1513 1502 1.09      
35 Bu 1480 1469 23.28      
36 Bu 1447 1435 9.37      
37 Bu 1329 1318 38.40      
38 Bu 1176 1167 53.12      
39 Bu 1106 1098 316.44      
40 Bu 916 909 55.05      
41 Bu 491 487 3.68      
42 Bu 139 138 3.40      

Unscaled Zero Point Vibrational Energy (zpe) 30100.4 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 29868.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at BLYP/6-31G**
ABC
0.61730 0.04206 0.04061

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.366 1.194 0.000
O2 -1.366 -1.194 0.000
C3 -1.488 -2.617 0.000
C4 1.488 2.617 0.000
C5 0.000 0.766 0.000
C6 0.000 -0.766 0.000
H7 2.563 2.847 0.000
H8 -2.563 -2.847 0.000
H9 -1.022 -3.073 0.898
H10 -1.022 -3.073 -0.898
H11 1.022 3.073 0.898
H12 1.022 3.073 -0.898
H13 -0.539 1.141 0.895
H14 -0.539 1.141 -0.895
H15 0.539 -1.141 0.895
H16 0.539 -1.141 -0.895

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O13.62844.76101.42801.43132.38922.04125.63644.97184.97182.11052.11052.10552.10552.63362.6336
O23.62841.42804.76102.38921.43135.63642.04122.11052.11054.97184.97182.63362.63362.10552.1055
C34.76101.42806.02053.69582.37466.80201.09971.10941.10946.28356.28353.97763.97762.66232.6623
C41.42804.76106.02052.37463.69581.09976.80206.28356.28351.10941.10942.66232.66233.97763.9776
C51.43132.38923.69582.37461.53243.30154.43024.07324.07322.67832.67831.10991.10992.17462.1746
C62.38921.43132.37463.69581.53244.43023.30152.67832.67834.07324.07322.17462.17461.10991.1099
H72.04125.63646.80201.09973.30154.43027.66196.97946.97941.79741.79743.65203.65204.56094.5609
H85.63642.04121.09976.80204.43023.30157.66191.79741.79746.97946.97944.56094.56093.65203.6520
H94.97182.11051.10946.28354.07322.67836.97941.79741.79586.47736.72164.24164.60482.48443.0635
H104.97182.11051.10946.28354.07322.67836.97941.79741.79586.72166.47734.60484.24163.06352.4844
H112.11054.97186.28351.10942.67834.07321.79746.97946.47736.72161.79582.48443.06354.24164.6048
H122.11054.97186.28351.10942.67834.07321.79746.97946.72166.47731.79583.06352.48444.60484.2416
H132.10552.63363.97762.66231.10992.17463.65204.56094.24164.60482.48443.06351.78912.52433.0940
H142.10552.63363.97762.66231.10992.17463.65204.56094.60484.24163.06352.48441.78913.09402.5243
H152.63362.10552.66233.97762.17461.10994.56093.65202.48443.06354.24164.60482.52433.09401.7891
H162.63362.10552.66233.97762.17461.10994.56093.65203.06352.48444.60484.24163.09402.52431.7891

picture of Ethane, 1,2-dimethoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C4 H7 106.997 O1 C4 H11 111.950
O1 C4 H12 111.950 O1 C5 C6 107.399
O1 C5 H13 111.276 O1 C5 H14 111.276
O2 C3 H8 106.997 O2 C3 H9 111.950
O2 C3 H10 111.950 O2 C6 C5 107.399
O2 C6 H15 111.276 O2 C6 H16 111.276
C3 O2 C6 112.299 C4 O1 C5 112.299
C5 C6 H15 109.740 C5 C6 H16 109.740
C6 C5 H13 109.740 C6 C5 H14 109.740
H7 C4 H11 108.902 H7 C4 H12 108.902
H8 C3 H9 108.902 H8 C3 H10 108.902
H9 C3 H10 108.067 H11 C4 H12 108.067
H13 C5 H14 107.414 H15 C6 H16 107.414
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.449      
2 O -0.449      
3 C -0.042      
4 C -0.042      
5 C 0.070      
6 C 0.070      
7 H 0.101      
8 H 0.101      
9 H 0.081      
10 H 0.081      
11 H 0.081      
12 H 0.081      
13 H 0.078      
14 H 0.078      
15 H 0.078      
16 H 0.078      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.435 2.193 0.000
y 2.193 -30.555 0.000
z 0.000 0.000 -38.329
Traceless
 xyz
x -5.993 2.193 0.000
y 2.193 8.827 0.000
z 0.000 0.000 -2.834
Polar
3z2-r2-5.668
x2-y2-9.880
xy2.193
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 275.310
(<r2>)1/2 16.592